Home / 131,338.28-197,035.09-42,584.86

Finding the Fourth Proportional to 131,338.28, 197,035.09 and 42,584.86

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Solution

The fourth proportional to 131,338.28, 197,035.09 and 42,584.86 is: 63,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,338.28 : 197,035.09 = 42,584.86 : x
  2. Step 2: Convert to fraction form
    131,338.28/197,035.09 = 42,584.86/x
  3. Step 3: Cross multiply
    131,338.28x = 197,035.09 × 42,584.86
  4. Step 4: Simplify right side
    131,338.28x = 8,390,711,123.69
  5. Step 5: Solve for x
    x = 8,390,711,123.69/131,338.28
  6. Step 6: Final answer
    x = 63,886.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.